# Mushoi vs WillPower Books

The clearest difference is review sentiment: WillPower Books at 82% against Mushoi's 42%. WillPower Books also leads on update cadence (every 9 days vs every 6 months) and iOS requirement (14.0.0 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Mushoi sells 10 one-off in-app purchases and WillPower Books sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Mushoi ships an update every 6 months, WillPower Books every 9 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Mushoi | WillPower Books |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (27 ratings)](https://appshunter.io/ios/app/willpower-books/id6740638075/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | 42.1% of reviews | **81.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 8 MB | 64 MB |
| Requires iOS | 16.6 | **14.0.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Susumu Hoshikawa](https://appshunter.io/developer/413265272) | [Kishori Timsina](https://appshunter.io/developer/1728609560) |

## What reviewers say

### Mushoi

[App page](https://appshunter.io/ios/app/mushoi/id648195641)

This digital comic follows a female doctor working in a women's prison, detailing her interactions with inmates through medical treatments. The first volume is available for free, with subsequent volumes offered for purchase.

**Highlights:** Digital comic adaptation, Medical drama narrative, Women's prison setting, First volume free, Available on iPhone and iPad

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ムショ医 再診 | $0.99 | one-time |
| ムショ医 第２巻 | $1.99 | one-time |
| ムショ医 第３巻 | $1.99 | one-time |
| ムショ医 第４巻 | $1.99 | one-time |
| ムショ医 第５巻 | $1.99 | one-time |
| マンガ on ウェブ 17号 | $2.99 | one-time |
| マンガ on ウェブ 19号 | $2.99 | one-time |
| マンガ on ウェブ 20号 | $2.99 | one-time |
| マンガ on ウェブ 22号 | $2.99 | one-time |
| マンガ on ウェブ 21号 | $2.99 | one-time |


### WillPower Books

[App page](https://appshunter.io/ios/app/willpower-books/id6740638075)

Access concise summaries of popular books, available to read or listen to in under 30 minutes. Enjoy a comfortable reading experience with light and dark modes, and save your favorites for quick access. New summaries are added weekly.

**Highlights:** Book summaries in 20-30 minutes, Read and listen options, English and Myanmar languages, Light and dark reading modes, Offline access, Bookmark favorite books, Weekly new summaries

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access All Books | $2.99 | per month |
| Premium | $8.99 | per 3 months |
| Premium | $12.99 | per 6 months |
| Premium | $24.99 | per year |
| Lifetime Premium | $119.00 | one-time |


## Frequently asked questions

### Is Mushoi free?

Mushoi is free to download, with in-app purchases available.

### Is WillPower Books free?

WillPower Books is free to download, with in-app purchases available.

### Do Mushoi or WillPower Books have ads?

Neither Mushoi nor WillPower Books shows ads.

### Which is updated more often, Mushoi or WillPower Books?

Mushoi ships an update every 6 months, and WillPower Books every 9 days. Most recently, Mushoi was updated on October 12, 2026 and WillPower Books on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*